|• Mayor (2014-2020)||Patrice Dunand|
|Area1||32.02 km2 (12.36 sq mi)|
|• Density||350/km2 (900/sq mi)|
|Time zone||CET (UTC+1)|
|• Summer (DST)||CEST (UTC+2)|
|INSEE/Postal code||01173 /01170|
|Elevation||532–1,614 m (1,745–5,295 ft)
(avg. 617 m or 2,024 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km² (0.386 sq mi or 247 acres) and river estuaries.2 Population without double counting: residents of multiple communes (e.g., students and military personnel) only counted once.
With the 1815 Protocol of the Conference of Paris, (signed on 20 November) and the Treaty of Paris of the same date, Gex was placed in the Customs region of Switzerland and neutralised. The resolutions regarding the Pays de Gex were annulled by Art 435 of the Treaty of Versailles. In November 1923 France moved its customs office to Gex, and the matter was brought before the Permanent Court of International Justice (predecessor of the International Court of Justice), which decided in favour of Switzerland. A compromise was reached in 1932.
Historically, citizens spoke a dialect of the Franco-Provençal language.
Its principal market for exports is Geneva.
- Case of the Free Zones of Upper Savoy and the District of Gex, Permanent Court of International Justice, Parties: France & Switzerland, August 19th, 1929, Initiated March 29th, 1928
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